<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>南京沃隆科技有限公司</title>
  </head>
  <body>
    <div class="top">南京沃隆科技有限公司</div>

    <div>

    </div>
  </body>
</html>
<style>
  .top {
    width: 100%;
    text-align: center;
    height: 60px;
    line-height: 60px;
    font-size: 28px;
    background: blue;
    color: #fff;

  }
</style>